[#95] frostfsid: Remove outdated data on update

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

frostfsid/frostfsid_contract.go

@@ -73,6 +73,17 @@ const (
 func _deploy(data any, isUpdate bool) {
 	ctx := storage.GetContext()
 
+	if isUpdate {
+		storage.Delete(ctx, "netmapScriptHash")
+		storage.Delete(ctx, "containerScriptHash")
+
+		it := storage.Find(ctx, "o", storage.KeysOnly)
+		for iterator.Next(it) {
+			key := iterator.Value(it)
+			storage.Delete(ctx, key)
+		}
+	}
+
 	args := data.(struct {
 		admin interop.Hash160
 	})